Answer: 30 days
<u>Step-by-step explanation:</u>
Working together, E & B get 1/45 of the job done per day
Working alone, C gets 1/x of the job done per day
Working together, E, B, & C get 1/18 of the job done per day.
Answer this please, thanks
1 answer:
Answer:
B
Step-by-step explanation:
under a dilatation about the origin of scale factor 3
since dilatation is about the origin multiply the coordinates of A, B and C by 3
A(8, 15) → A' (24, 45)
B(12, 13) → B'(36, 39)
C(8, 10) → C'(24, 30)
using the distance formula
with (x₁, y₁ ) = C'(24, 30) and (x₂, y₂ ) = B'(36, 39)
BC =
= =
= 15 → B
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